upgrades

wikilib.py

@@ -0,0 +1,25 @@
+"""Small shared helpers: slugs and [[wiki link]] parsing."""
+
+from __future__ import annotations
+
+import re
+
+_WIKILINK_RE = re.compile(r"\[\[([^\]]+)\]\]")
+_SLUG_STRIP = re.compile(r"[^a-z0-9]+")
+
+
+def slugify(text: str) -> str:
+    """Lowercase, collapse non-alphanumerics to single hyphens, trim.
+
+    Mirrors the JS slugify() in editor.html — keep the two in sync.
+    """
+    s = _SLUG_STRIP.sub("-", text.strip().lower()).strip("-")
+    return s or "untitled"
+
+
+def parse_links(body_md: str) -> list[str]:
+    """Return the distinct target slugs referenced by [[...]] in a note body."""
+    seen: dict[str, None] = {}
+    for m in _WIKILINK_RE.finditer(body_md or ""):
+        seen.setdefault(slugify(m.group(1)), None)
+    return list(seen)